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Single Family ResidenceResidential
$1,921,071$525 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $2,446,719 on Jul 27, 2023

21423 SE 6TH PL

SAMMAMISH, WA 98074
6
Beds
3.8
Baths
3,660 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
2023
Year BuiltThe year the home was originally built, according to county records.

Valuation

$1.9M
$1.8M low$2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$2,446,719 · Jul 27, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,089 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$2,276,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$465,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,811,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,892,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,276,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.38
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
19
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
44
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
98
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyKING
Lot (acres)The size of the land the home sits on, from county records.0.11
HeatingThe type of heating system in the home.Heat Pump
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 380 ft²

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Eastlake High SchoolA+
High · Grades 9–12 · 1.3 mi
E
Samantha Smith Elementary SchoolA
Elementary · Grades KG–5 · 1.8 mi
M
Inglewood Middle SchoolA
Middle · Grades 6–8 · 2.0 mi

District: Lake Washington School District

Neighborhood · ZIP 98074These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.20
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.287

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.43%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.30,936
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,488 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$201,628
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$241,805
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.43%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

21423 Se 6th Pl measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 92% of homes in King County
  • Costs less per square foot than 74% of homes in Sammamish 98074
  • Bigger than 93% of homes in King County
  • Has a smaller lot than 95% of homes in Sammamish 98074
  • Among the newest homes in Sammamish 98074

What homes are worth in Sammamish 98074

Each bar is how many homes fall in that price range. The marker is this home.

This home
$488K$3M

This home is worth more than 82% of homes in Sammamish 98074.

How it measures up in Sammamish 98074

The dot is this home. The mark in the middle is the typical home in Sammamish 98074.

Estimated value$1,921,071
CheaperTypical $1,484,283Pricier

Pricier than 82% of homes nearby

Price per ft²$525
CheaperTypical $574Pricier

Pricier than 26% of homes nearby

Living area3,660 ft²
SmallerTypical 2,620 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.11 ac
SmallerTypical 0.24 acBigger

Bigger than 5% of homes nearby

Year built2023
OlderTypical 1991Newer

Newer than almost all homes nearby

How 21423 Se 6th Pl ranks against every home in each area.
MeasureThis homeSammamish 98074King County
Estimated valuepricier than$1,921,07182% of homes92% of homes
Price per ft²pricier than$52526% of homes57% of homes
Living areabigger than3,660 ft²84% of homes93% of homes
Lot sizebigger than0.11 ac5% of homes15% of homes
Year builtnewer than2023almost all homesalmost all homes

About 21423 Se 6th Pl

How much is 21423 Se 6th Pl, Sammamish, WA worth?

The TopHap Estimate for 21423 Se 6th Pl, Sammamish, WA is $1,921,071 as of Aug 30, 2026. The likely range is $1,824,816 to $2,017,326. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21423 Se 6th Pl, Sammamish, WA last sell?

21423 Se 6th Pl, Sammamish, WA last sold on Jul 27, 2023 for $2,446,719, according to the county's recorded deed.

How big is 21423 Se 6th Pl, Sammamish, WA?

21423 Se 6th Pl, Sammamish, WA has 6 bedrooms, 3.8 bathrooms, 3,660 square feet of living space and a 0.11-acre lot.

When was 21423 Se 6th Pl, Sammamish, WA built?

21423 Se 6th Pl, Sammamish, WA was built in 2023, making it 3 years old.

What schools serve 21423 Se 6th Pl, Sammamish, WA?

21423 Se 6th Pl, Sammamish, WA is assigned to Eastlake High School (high), rated A+; Samantha Smith Elementary School (elementary), rated A; Inglewood Middle School (middle), rated A. All sit in Lake Washington School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21423 Se 6th Pl, Sammamish, WA compare to other homes in Sammamish 98074?

Among the 9,920 homes in Sammamish 98074, it is worth more than 82% of them ($1,921,071 against a typical $1,484,283), its price per square foot is higher than 26% of them ($525 against a typical $574), it is bigger than 84% of them (3,660 ft² against a typical 2,620 ft²), its lot is bigger than 5% of them (0.11 ac against a typical 0.24 ac) and it is newer than almost all of them (2023 against a typical 1991). Measured against all of King County, it is worth more than 92% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21423 Se 6th Pl, Sammamish, WA?

The 2026 property tax bill for 21423 Se 6th Pl, Sammamish, WA was $20,089. The county assessed it at $2,276,000.

More homes on Se 6th Pl

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Assigned schools

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